class Maybe {
    static of(value){
        return new Maybe(value)
    }
    constructor(value) {
        this._value = value;
    }
    map(fn){
        return this.nothing()? Maybe.of(undefined):Maybe.of(fn(this._value));
    }
    nothing(){
        return this._value === null || this._value === undefined
    }
}
class Container{
    static of(value){
        return new Container(value)
    }
    constructor(value) {
        this._value = value;
    }
    map(fn){
        return Container.of(fn(this._value))
    }
}
module.exports = {Maybe,Container}